1*e13b1fa5SApple OSS Distributions<h2>io_done_queue_create</h2> 2*e13b1fa5SApple OSS Distributions<hr> 3*e13b1fa5SApple OSS Distributions<p> 4*e13b1fa5SApple OSS Distributions<strong>Function</strong> - Create an <strong>io_done_queue</strong> kernel object. 5*e13b1fa5SApple OSS Distributions<h3>SYNOPSIS</h3> 6*e13b1fa5SApple OSS Distributions<pre> 7*e13b1fa5SApple OSS Distributions<strong>kern_return_t io_done_queue_create</strong> 8*e13b1fa5SApple OSS Distributions <strong>(mach_port_t</strong> <var>host</var>, 9*e13b1fa5SApple OSS Distributions <strong>mach_port_t</strong> <var>queue</var><strong>);</strong> 10*e13b1fa5SApple OSS Distributions</pre> 11*e13b1fa5SApple OSS Distributions<h3>PARAMETERS</h3> 12*e13b1fa5SApple OSS Distributions<dl> 13*e13b1fa5SApple OSS Distributions<p> 14*e13b1fa5SApple OSS Distributions<dt> <var>host</var> 15*e13b1fa5SApple OSS Distributions<dd> 16*e13b1fa5SApple OSS Distributions[in host-name send right] The name (or control) port for the host on 17*e13b1fa5SApple OSS Distributionswhich the io_done_queue should be created. 18*e13b1fa5SApple OSS Distributions<p> 19*e13b1fa5SApple OSS Distributions<dt> <var>queue</var> 20*e13b1fa5SApple OSS Distributions<dd> 21*e13b1fa5SApple OSS Distributions[out io-done-queue send right] The port referencing the created 22*e13b1fa5SApple OSS Distributionsio_done_queue. 23*e13b1fa5SApple OSS Distributions</dl> 24*e13b1fa5SApple OSS Distributions<h3>DESCRIPTION</h3> 25*e13b1fa5SApple OSS Distributions<p> 26*e13b1fa5SApple OSS DistributionsThe io_done_queue_create function is called to create a new 27*e13b1fa5SApple OSS Distributionsinstatiation of the kernel object supporting asynchronous read/write 28*e13b1fa5SApple OSS Distributionsoperations on a device. 29*e13b1fa5SApple OSS Distributions<h3>RETURN VALUES</h3> 30*e13b1fa5SApple OSS Distributions<dl> 31*e13b1fa5SApple OSS Distributions<dt> <strong>KERN_INVALID_ARGUMENT</strong> 32*e13b1fa5SApple OSS Distributions<dd> 33*e13b1fa5SApple OSS Distributions Invalid <var>host</var> parameter. 34*e13b1fa5SApple OSS Distributions <p> 35*e13b1fa5SApple OSS Distributions <dt> <strong>KERN_RESOURCE_SHORTAGE</strong> 36*e13b1fa5SApple OSS Distributions<dd> 37*e13b1fa5SApple OSS Distributions Insufficient kernel resources to allocate kernel object. 38*e13b1fa5SApple OSS Distributions</dl> 39*e13b1fa5SApple OSS Distributions<h3>RELATED INFORMATION</h3> 40*e13b1fa5SApple OSS Distributions<p> 41*e13b1fa5SApple OSS DistributionsFunctions: 42*e13b1fa5SApple OSS Distributions<a href="io_done_queue_terminate.html"><strong>io_done_queue_terminate</strong></a>, 43*e13b1fa5SApple OSS Distributions<a href="io_done_queue_wait.html"><strong>io_done_queue_wait</strong></a>, 44*e13b1fa5SApple OSS Distributions<a href="device_read_async.html"><strong>device_read_async</strong></a>, 45*e13b1fa5SApple OSS Distributions<a href="device_read_async_inband.html"><strong>device_read_async_inband</strong></a>, 46*e13b1fa5SApple OSS Distributions<a href="DR_overwrite_async.html"><strong>device_read_overwrite_async</strong></a>, 47*e13b1fa5SApple OSS Distributions<a href="device_write_async.html"><strong>device_write_async</strong></a>, 48*e13b1fa5SApple OSS Distributions<a href="device_write_async_inband.html"><strong>device_write_async_inband</strong></a>. 49